/*
 * Copyright (c) 2003-2012 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
#if defined(KERNEL)
#ifdef XNU_KERNEL_PRIVATE
/*
 * Xcode doesn't currently set up search paths correctly for Kernel extensions,
 * so the clang headers are not seen in the correct order to use their types.
 */
#endif
#define USE_CLANG_STDDEF 0
#else
#if defined(__has_feature) && __has_feature(modules)
#define USE_CLANG_STDDEF 1
#else
#define USE_CLANG_STDDEF 0
#endif
#endif

#if USE_CLANG_STDDEF

#ifndef __RSIZE_T
#define __RSIZE_T

#define __need_rsize_t
#include <stddef.h>
#undef __need_rsize_t

#endif  /* __RSIZE_T */

#else

#ifndef _RSIZE_T
#define _RSIZE_T
#include <machine/types.h> /* __darwin_size_t */
typedef __darwin_size_t        rsize_t;
#endif  /* _RSIZE_T */

#endif

#undef USE_CLANG_STDDEF
